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1 | /* Support for reading /etc/ld.so.cache files written by Linux ldconfig. | |
2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library. If not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <ldconfig.h> | |
20 | ||
21 | #if ((defined __mips_nan2008 && !defined HAVE_MIPS_NAN2008) \ | |
22 | || (!defined __mips_nan2008 && defined HAVE_MIPS_NAN2008)) | |
23 | # error "Configuration inconsistency: __mips_nan2008 != HAVE_MIPS_NAN2008, overridden CFLAGS?" | |
24 | #endif | |
25 | ||
26 | /* Redefine the cache ID for new ABIs and 2008 NaN support; legacy o32 | |
27 | keeps using the generic check. */ | |
28 | #ifdef __mips_nan2008 | |
29 | # if _MIPS_SIM == _ABIO32 | |
30 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS_LIB32_NAN2008 | FLAG_ELF_LIBC6) | |
31 | # elif _MIPS_SIM == _ABI64 | |
32 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN64_NAN2008 | FLAG_ELF_LIBC6) | |
33 | # elif _MIPS_SIM == _ABIN32 | |
34 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN32_NAN2008 | FLAG_ELF_LIBC6) | |
35 | # endif | |
36 | #else | |
37 | # if _MIPS_SIM == _ABI64 | |
38 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN64 | FLAG_ELF_LIBC6) | |
39 | # elif _MIPS_SIM == _ABIN32 | |
40 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN32 | FLAG_ELF_LIBC6) | |
41 | # endif | |
42 | #endif | |
43 | ||
44 | #ifdef _DL_CACHE_DEFAULT_ID | |
45 | # define _dl_cache_check_flags(flags) \ | |
46 | ((flags) == _DL_CACHE_DEFAULT_ID) | |
47 | #endif | |
48 | ||
49 | #define add_system_dir(dir) \ | |
50 | do \ | |
51 | { \ | |
52 | size_t len = strlen (dir); \ | |
53 | char path[len + 3]; \ | |
54 | memcpy (path, dir, len + 1); \ | |
55 | if (len >= 6 \ | |
56 | && (! memcmp (path + len - 6, "/lib64", 6) \ | |
57 | || ! memcmp (path + len - 6, "/lib32", 6))) \ | |
58 | { \ | |
59 | len -= 2; \ | |
60 | path[len] = '\0'; \ | |
61 | } \ | |
62 | add_dir (path); \ | |
63 | if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4)) \ | |
64 | { \ | |
65 | memcpy (path + len, "32", 3); \ | |
66 | add_dir (path); \ | |
67 | memcpy (path + len, "64", 3); \ | |
68 | add_dir (path); \ | |
69 | } \ | |
70 | } while (0) | |
71 | ||
72 | #include_next <dl-cache.h> |